Just north of Jaeyaksan Mountain, Eoreumgol Valley (Ice Valley) sits at an elevation between 600 and 750 meters and covers an area of 29,752m?. Designated as Natural Monument No. 224, the valley is unusual in that it begins to freeze in March when the weather becomes warm and thaws in the fall when the weather becomes cold. In the winter, the valley generates warm breezes and the water rarely freezes. Because of these unique attributes, the valley is considered one of the Four Mysteries in Miryang and attracts visitors from early summer through fall.